某运动员常出现面色有些苍白、头昏眼花、注意力不集中等症状，可能的病因是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30443' and id < 2459674 and id<>'2459674' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30443' and id > 2459674 and id<>'2459674' order by id asc limit 5